discuz圖片處理縮略圖顯示的方法介紹

function?thumblist($pid,?$width?=?0,?$height?=?0,?$maximgcount?=?3,?$tid?=?0){ ????global?$_G; ????if(!$pid)?return?array(); ????$width?=?intval($width); ????$height?=?intval($height); ????$maximgcount?=?intval($maximgcount); ????$tid?=?intval($tid); ????$maximgcount?=?$maximgcount?fetch_tid_by_pid($pid); ????} ? ????if(!$tid)?return?array(); ????$attachments?=?C::t('forum_attachment_n')->fetch_all_by_id('tid:'.$tid,?'pid',?$pid,?'aid',?true,?false,?false,?$maximgcount); ????$list?=?array(); ????$count?=?0; ????$nums?=?count($attachments); ????if($nums?==1){ ????????$width?=?692; ????????$height?=708; ????}?elseif?($nums?==?2)?{ ????????$width?=?660; ????????$height?=?700; ????}?else?if($nums?===3){ ????????$width?=?440; ????????$height?=?532; ????} ????foreach($attachments?as?$aid=>$attachment)?{ ????????$bigimage?=?$_G['setting']['attachurl'].'forum/'.$attachment['attachment']; ????????$thumbfile?=?'image/'.helper_attach::makethumbpath($attachment['aid'],?$width,?$height); ????????if(is_file($_G['setting']['attachdir'].$thumbfile))?{ ????????????$thumbfile?=?$_G['setting']['attachurl'].$thumbfile; ????????}?else?{ ????????????$thumbfile?=?'/'.getforumimg($attachment['aid'],?0,?$width,?$height,'fixwr'); ????????} ????????if($attachment['width']?$thumbfile,?'attachment'=>$bigimage,?'aid'=>$attachment['aid']); ????????$count++; ????????if($count?>=?$maximgcount)?break; ????} ? ????return?$list; }